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Radiant|Lab Grown|IGI

1.68ct F IF Radiant Lab Grown Diamond

VG • F/IF • IGI LG816615263

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816615263

Diamond specifications and retailer prices

From HK$2,283 HKD
As of November 4, 2026
Save HK$17,959 HKD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$20,242 HKD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.68ct lab-grown radiant diamond

This 1.68ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG816615263 or 816615263. Listed at 13 retailers as of November 4, 2026, with prices from HK$2,283 to HK$20,242, a HK$17,959 spread on the same certified stone. Brilliant Earth lists it at HK$20,242. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.68
Carat
F
Colour
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816615263
Dimensions8.54 × 5.84 × 3.82 mm
L/W Ratio1.46
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.54 mm5.84 mm1.68 ctF / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816615263
Side View
Table 63.0%Crown 42.1°Girdle: MediumPavilion 35.6°Culet: NoneDepth 65.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: HK$20,242 HKD|Low: HK$1,836 HKD|High: HK$25,970 HKD|Avg: HK$9,006 HKD|-22.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 11HK$2,283 HKD
Retailer 17HK$3,162 HKD
Retailer 13HK$3,444 HKD
Retailer 4HK$3,688 HKD
Retailer 7HK$4,731 HKD
Retailer 3HK$4,739 HKD
Retailer 6HK$4,911 HKD
Retailer 16HK$6,536 HKD
Retailer 12HK$7,250 HKD
Retailer 14HK$8,222 HKD
Retailer 8HK$9,525 HKD
Retailer 9HK$9,580 HKD
Retailer 15HK$9,784 HKD
Retailer 10HK$11,149 HKD
Retailer 2HK$18,124 HKD
Retailer 5HK$18,555 HKD
Brilliant EarthHK$20,242 HKD

22 data points across 17 retailers

13 retailersHK$2,283 HKD to HK$20,242 HKD

A
Cheapest Retailer
-
HK$2,283 HKD
Final sale: no returns
A
Retailer 2
-
HK$3,162 HKD
View
B+
Retailer 3
-
HK$3,444 HKD
View
A
Retailer 4
-
HK$3,688 HKD
View
A
Retailer 5
-
HK$4,739 HKD
View
A
Retailer 6
-
HK$6,536 HKD
View
B+
Retailer 7
-
HK$7,250 HKD
View
B+
Retailer 8
-
HK$8,222 HKD
View
B+
Retailer 9
-
HK$9,784 HKD
View
B+
Retailer 10
-
HK$11,149 HKD
View
B
Retailer 11
-
HK$18,124 HKD
View
Retailer 12
-
HK$18,555 HKD
View
Price last confirmed 18 days ago
Most Expensive
B
Brilliant Earth
21730775Y · Nov 4
HK$20,242 HKD
$2,580 USD
View
12 more retailers have this diamond
Prices start from HK$2,283 HKDSave up to HK$17,959 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.68ct Radiant
HK$2,283 HKD